Associations/Indications. 1  marker of vascular endothelial dysfunction. 2  an important prognostic marker for kidney disease in diabetes mellitus. in hypertension.
The usual age is 18 years of age. But people with very smart IQ graduate earlier like Martin LKJ graduated at 15,and so did many others.ometimes kids skip grades. I guess it's rare for people any older then that too...not many people do so bad they have to get held back many times. Most people graduate at 18 though...most people have their 18th birthday during the school year.
Depending on when students began school, they will start high school as freshmen at the age of 14 or 15. Some states have rules that prevent children from starting kindergarten if their fifth birthday comes after the first day of school.